Carrie Underwood was the season four winner and has become a huge success in the music industry. The singer was the first country artist to ever debut at number one on the Billboard Hot 100 with her first single “Inside Your Heaven” in 2005. Her first album “Some Hearts” has been certified platinum seven times and has been followed by a number of extremely popular singles and albums. Carrie’s fifth album “Greatest Hits: Decade #1” was released in 2014 and she has had 14 number one hits to date on the Hot Country Songs chart as of May 2015. She also made the transition to acting with a role in the hit movie Soul Surfer and as Maria in the TV musical production The Sound of Music Live.